Shimano GRX ST-RX820 Shifter/Disc Brake Lever & Caliper - Lever Assemby - Black - Rear - Left Lever Virtual Parent well ventilated and (most importantly)

well ventilated and (most importantly) protective helmet

Wheel hoop fits 26" to 29" wheels and tyres from 23 mm to 4" with no adjustment needed

1x outer shell

Inner thigh laser venting for additional cooling

Spring style: The Cascade uses a coil spring for fuss-free performance

Shimano GRX ST-RX820 Shifter/Disc Brake Lever & Caliper - Lever Assemby - Black - Rear - Left Lever Virtual Parent well ventilated and (most importantly)The Shimano GRX ST R820 Dual Control Lever delivers light and responsive mechanical 12 speed shifting for mixed terrain riding and racing. The ergonomic shifter design improves comfort by decreasing pressure on your palms, while the textured, anti slip brake lever surface increases control on bumpy terrain.